20013111353 has 2 divisors, whose sum is σ = 20013111354. Its totient is φ = 20013111352.

The previous prime is 20013111341. The next prime is 20013111383. The reversal of 20013111353 is 35311131002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14618502649 + 5394608704 = 120907^2 + 73448^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013111353 - 2¹⁶ = 20013045817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013111383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006555676 + 10006555677.

It is an arithmetic number, because the mean of its divisors is an integer number (10006555677).

Almost surely, 2^20013111353 is an apocalyptic number.

It is an amenable number.

20013111353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013111353 is an equidigital number, since it uses as much as digits as its factorization.

20013111353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 20013111353 its reverse (35311131002), we get a palindrome (55324242355).

The spelling of 20013111353 in words is "twenty billion, thirteen million, one hundred eleven thousand, three hundred fifty-three".